Yamaha YZ250T1 Owner's Service Manual page 39

Part to be tightened
Primary drive gear
Clutch boss
Clutch spring
Clutch cable adjust bolt and locknut
Push lever axle
Drive sprocket
Shift guide
Stopper lever
Torsion spring (shift shaft) stopper bolt
Segment
Bearing plate cover (shift cam right)
Shift pedal
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.
MAINTENANCE SPECIFICATIONS
Thread size
M10 × 1.25
M20 × 1.0
M 6 × 1.0
M 6 × 0.75
M 5 × 0.8
M20 × 1.0
M 6 × 1.0
M 6 × 1.0
M 8 × 1.25
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
2-6
SPEC
Tightening torque
Q'ty
Nm m•kg
1 55 5.5
1 75 7.5
6 10 1.0
1 4 0.4
1 6 0.6
1 75 7.5
2 10 1.0
1 10 1.0
1 22 2.2
1 30 3.0
2 10 1.0
1 10 1.0
ft•lb
40
54
7.2
2.9
4.3
54
7.2
7.2
16
22
7.2
7.2